Nespresso Gemini CS220 - 6 Troubleshooting; Automatic Capsule Dispenser

Towerservicemanual
75
T R O U B L E S H O O T I N G
6 T R O U B L E S H O O T I N G
6.1 Automaticcapsuledispenser
Thischaptergives
usefulhintsandinfor
mationforfaultfind
ing.Itisnotintendedasa
completelistofpossible
errorsandmalfunctions.
Problem Checks/causeoftrouble/repairworks
1 Automaticcapsuledispenser
doesnotwork.
• Checkmainsvoltage.
• Checkpowercordandespeciallyitsconnectiontotheapplianceinlet.
Replacedefectivepowercord.
• Checkmainsswitch.
• Checkgroundfaultcircuitinterrupter.
• Checkoutputvoltage(24VDC)ofpowersupply.
• Checkinternalwiringandpluginconnections.
2 Nocoffeecapsuledispensed
afterpurchase.
• Coffeecapsulestuckedindispensermodule.
Releasestuckedcoffeecapsule(refertopage76).
• Dispensermoduledefective.
ChecksolderjointsofcableconnectionstoDCmotorandlightbarrier
board.
Replacedispensermodule.
• Operatingbuttondefective.Replacebuttonboard.
3 Operatingbuttondoesnotlight
upredwhencapsuletubeis
empty.
• Pendulumofdispensermoduleisstuckedinrearposition.
Releasependulumandcheckpendulummotion.
• Cableconnectiontolightbarrierofdispensermoduleinterrupted.
Checksolderjoints.
4 Afterfrontdoorisopenedwith
keyswitch,noswitchoverto
service/programmodehap
pens.
• Doormicroswitchdefective.
Replacemicroswitch.
5 Dispensermodulejectcoffee
capsulescontinuously.
• DCmotorofdispensermoduleturnscontinuously.
• Microswitchindispensermoduledefective.
Replacedispensermodule.
• Mainboarddefective.Replacemainboard.
6 Coffeecapsulesaredispensed
withoutpayment.Display
showstotalturnoverandtotal
numberofdispensedcapsules.
• Automaticcapsuledispenserisinservice/programmode,although
frontdoorisclosed.
• Doormicroswitchnotconnectedtomainboard.
Pluginmicroswitchcableconnectortomainboard.
• Doormicroswitchdefective.
Replacemicroswitch.
7 Displaytoodimanddifficultto
readoff.
• Potentiometeronmainboardmisadjusted(referto"Replacingmain
board,powersupply,displayandcardreader"onpage88).
Readjustbackgroundlightingofdisplaywithpotentiometer.
8 Password(s)formenuaccess
changedandforgotten.
• Ask Nespresso forinstructionstosetbackallpasswordstofactory
settings.